2. Researchers know that the average rate of violence within intimate relationsh

Question

2. Researchers know that the average rate of violence within intimate relationships is 20 men or women per minute in the US (SD=2.47), according to the National Coalition against Domestic Violence (NCADV). The local chapter of the NCADV is concerned about area rates of domestic violence because the local average is 23.20 (N=265). They would like to determine if the local rate is the same as the national rate.

A. What are the independent and dependent variables and how are each scaled ?

            Independent:________________________            Scaling:_____________________________

            Dependent:__________________________            Scaling:_____________________________

B. What test should the students use?

E. What are that tests assumptions?  

G. What is the critical value for p=.05?

Explanation / Answer

a) Independent variable is :Intimate Relationship within men and women

Scale: Nominal

Dependent variable : Rate of Domestic violence

Scalling : Approximately interval

B)We should use a Z test for testing the sample mean.

e)

We have assumed

g) critical value = 1.96

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